(19)

(11)

EP 3 532 981 A1

(12)

(43) Date of publication: 04.09.2019 Bulletin 2019/36 (21) Application number: 17863512.4 (22) Date of filing: 25.10.2017

(51) International Patent Classification (IPC):  G06K 7/00(2006.01) H04B 1/69(2011.01) H04W 72/04(2009.01) (86) International application number: PCT/US2017/058371 (87) International publication number: WO 2018/081319 (03.05.2018 Gazette 2018/18)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 25.10.2016 US 201662412712 P (71) Applicant: The Board of Trustees of the Leland Stanford Junior University Palo Alto, CA 94306 (US)	(72) Inventors: ZHANG, Pengyu Palo Alto, California 94306 (US) BHARADIA, Dinesh Palo Alto, California 94306 (US) KATTI, Sachin Palo Alto, California 94306 (US) (74) Representative: Gevers Patents  Intellectual Property House Holidaystraat 5 1831 Diegem 1831 Diegem (BE)